CN102910540B - Hoisting device for on-load tap-changer of transformer - Google Patents
Hoisting device for on-load tap-changer of transformer Download PDFInfo
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- CN102910540B CN102910540B CN201210431193.7A CN201210431193A CN102910540B CN 102910540 B CN102910540 B CN 102910540B CN 201210431193 A CN201210431193 A CN 201210431193A CN 102910540 B CN102910540 B CN 102910540B
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- 239000000956 alloy Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The application discloses a hoisting device for an on-load tap-changer of a transformer. The hoisting device comprises a base, a first upright, a second upright, a beam, a beam hand buggy and a hoisting hook, wherein multiple screw holes are arranged on the base and are arrayed in the same way to the screw holes arranged on a connecting flange of an original transformer body and an on-load tap-changer, and the base is detachably fixed at the position of the connecting flange of the original transformer body and the on-load tap-changer by bolts; the bottom end of the first upright is detachably fixed on the base, and the first upright is perpendicular to the plane of the base; the bottom end of the second upright is rotationally fixed at the top end of the first upright; the beam is detachably fixed at the top end of the second upright, and a slide rail is arranged on the beam; and the beam hand buggy is fixed on the slide rail of the beam, and the hoisting hook is fixed on the beam hand buggy. Compared with the prior art, the application well solves the problem that the on-load tap-changer of an indoor transformer has difficulty in being hoisted safely.
Description
Technical field
The application relates to hoisting technology field, particularly relates to a kind of on-load tap changers of transformers hanging apparatus.
Background technology
Voltage transformer is most important electrical equipment in whole substation, and the load ratio bridging switch of voltage transformer plays a part to regulate transformer output voltage, is whole voltage transformer " heart ".Load ratio bridging switch plays vital effect to the power supply voltage stability of substation and qualification rate.
" Repair of Transformer job instruction " specifies: the operation more than 10,000 times of 110KV and above on-load tap changers of transformers import, domestic all operations more than 50,000 times, or in conjunction with main transformer performulation, need carry out a disassembling overhaul.Switch runs and exceedes the time limit, and switch can exist the multiple potential safety hazards such as transition resistance can increase, copper strand wire can rupture, contact resistance can increase, and seriously must cause switch explosion accident, cause very large impact can to whole electrical network reliability service.
Load ratio bridging switch is generally arranged on the inner barrel of voltage transformer, and more than 110KV transformer body is very high, generally can reach more than 5 ~ 6 meters.So, must use weight-lifting equipment that shunting switch just can be made must to winch to ground from cylindrical shell safely.
When the switch of outdoor main transformer carries out disassembling overhaul, generally need to use loop wheel machine to hang out to ground by switch from cylindrical shell, namely service personnel can easily carry out strip inspection to switch.
But some indoor substation (substation put into operation in the early time) is large not because transformer chamber's Gate Design obtains.If indoors driving is installed on roof, although easy to use, safe.But it is high to install manufacturing cost, and can not move, a driving can only use in a place.The so many Indoor Substations of Utilities Electric Co. considers that Cost Problems all can not install driving, is in this way applicable to voltage transformer industrial building and uses.
If in the entrucking of indoor location small hoist, although it is removable, safe and convenient to use.But it is very high that sling cart makes purchase cost, and general local Utilities Electric Co. seldom buys, and although be small hoist entrucking, but build is still huger, and there are 5 ~ 6 tons of weights, be inconvenient to transport, some transformer chamber doorway is little cannot be entered, and transformer chamber vacant lot is little is also inconvenient to move.
Because V-type switch weight heavier in switch has 40KG, lighter M type switch reaches 20KG, manpower is used to be lifted by switch very difficult to ground, and switch is precision equipment, there are clashing and breaking surprisingly if lifted in the process of passing, very large infringement is caused to switch performance in capital, so do not advise that manpower lifts switch.
In addition, ruin if transformer chamber's exterior wall is struck in order to a switch Disintegration overhaul and facilitate arm to put in a not science also uneconomic thing especially.
Comprehensively described abovely can find, there is the problem that indoor transformer load ratio bridging switch lifts by crane safely difficulty in prior art.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of on-load tap changers of transformers hanging apparatus, and to solve in prior art, indoor transformer load ratio bridging switch lifts by crane safely the problem of difficulty.
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of on-load tap changers of transformers hanging apparatus, comprising: base, the first column, the second column, crossbeam, crossbeam hand buggy and suspension hook, wherein:
Described base is provided with the multiple screws identical with the arrangement mode of screw on former transformer body and loaded switch butt flange, described base is removably fixed on the position of former transformer body and loaded switch butt flange by bolt;
The bottom of described first column is removably fixed on described base, and the plane being perpendicular of described first column and described base;
The bottom of described second column is rotatably mounted to the top of described first column;
Described crossbeam is removably fixed on the top of described second column, and described crossbeam is provided with slide rail;
Described crossbeam hand buggy is slidably fixed on the slide rail of described crossbeam, and described suspension hook is fixed on described crossbeam hand buggy;
Described base is provided with the first column-shaped projection matched with described first column bottom, and described first column bottom is inserted in described first column-shaped projection, and described first column bottom and described first column-shaped projection are fixed by the first bolt;
Described first column-shaped projection is provided with first ring connected in star, described first column bottom is provided with the first screw matched with described first ring connected in star, described first column bottom is nested in described first column-shaped projection, and described first bolt-through is in described first ring connected in star and described first screw, is fixed on described base by described first column.
Preferably, the top of described first column is provided with the second column-shaped projection matched with described second column bottom, described second column bottom is inserted in described second annular protrusion, and the top of described first column and described second column-shaped projection are fixed by the second bolt.
Preferably, the column-shaped projection on described first column top is provided with the second annular groove, described second column bottom is provided with position second screw corresponding with described second annular groove position, described second column bottom is inserted in the second column-shaped projection, and described second bolt is inserted in described second screw, and the head end of described second bolt is stuck in described second annular groove, is fixed on described first column by described second column.
Preferably, the top of described second column is provided with mounting hole, and described crossbeam one end penetrates described mounting hole, and described crossbeam and described second column fix.
Preferably, described second column be provided with vertical with direction, described mounting hole aperture and run through the 3rd screw of described second column, described crossbeam being provided with the crossbeam through hole that position is corresponding with the position of described 3rd screw;
Described crossbeam and described second column are fixed by the 3rd bolt, and described 3rd bolt penetrates in described 3rd screw and crossbeam through hole.
Preferably, described suspension hook is provided with the transfer device for driving suspension hook to move up and down, wherein, one end and the described crossbeam hand buggy of described transfer device fix, and the other end and described suspension hook fix.
Preferably, described transfer device can be pulley.
As can be seen here, the on-load tap changers of transformers hanging apparatus that the embodiment of the present application provides, comprise: base, the first column, the second column, crossbeam, crossbeam hand buggy and suspension hook, wherein: by the mounting means of base according to former transformer body and loaded switch butt flange, be removably mounted on the position of former transformer body and loaded switch butt flange; First column bottom is removably mounted on base; Second column bottom is removably mounted on the first column top, and the second column can rotate around the first column; Crossbeam is removably mounted on the second column top; Crossbeam is provided with slide rail, and crossbeam hand buggy is slidably fixed on slide rail, and crossbeam hand buggy is provided with suspension hook.
In the embodiment that the application provides, the connection mode of all parts all employ detouchable connection mode, makes staff can carry out installing/dismounting to this device fast, easily; When reality uses, staff for the load ratio bridging switch of different model, can select the first column and/or second column of differing heights; Crossbeam can rotate around the axis of the first column and the second column, and on crossbeam, be also provided with the crossbeam hand buggy that can slide along crossbeam, by rotating beam or moving beam hand buggy during use, can be implemented in not movable base when, safety and precise switch is winched to ground from cylindrical shell.Therefore, compared with prior art, the application well solves the problem that indoor transformer load ratio bridging switch lifts by crane safely difficulty.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The load ratio bridging switch hanging apparatus assembling pre-structure schematic diagram that Fig. 1 provides for the embodiment of the present application one;
The rear structural representation of load ratio bridging switch hanging apparatus assembling that Fig. 2 provides for the embodiment of the present application one;
The understructure schematic diagram that Fig. 3 provides for the embodiment of the present application one;
The sequence of erection schematic diagram of the voltage transformer loaded tap-off hanging apparatus that Fig. 4 provides for the embodiment of the present application two;
Fig. 5 arrives the positional structure schematic diagram before lifting summit for load ratio bridging switch that the embodiment of the present application three provides in lifting process;
The load ratio bridging switch that Fig. 6 provides for the embodiment of the present application three finally unloads the position view fallen in lifting process.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one
The embodiment of the present application provides a kind of load ratio bridging switch hanging apparatus structure, and the structure of the load ratio bridging switch hanging apparatus provided in order to the application can be shown, clearly so the application's composition graphs 1, Fig. 2 and Fig. 3 elaborate to the load ratio bridging switch hanging apparatus that the embodiment of the present application provides.
The load ratio bridging switch hanging apparatus assembling pre-structure schematic diagram that Fig. 1 provides for the embodiment of the present application one.
The rear structural representation of load ratio bridging switch hanging apparatus assembling that Fig. 2 provides for the embodiment of the present application one.
As depicted in figs. 1 and 2, the part-structure of the load ratio bridging switch hanging apparatus that the embodiment of the present application one provides comprises: base 1, first column 2, second column 3, crossbeam 4, crossbeam hand buggy 5 and suspension hook 6, wherein: base 1 is removably fixed on the position of former transformer body and loaded switch butt flange; The bottom of the first column 2 is removably fixed on base 1, and the plane being perpendicular of the first column 2 and base 1; The bottom of the second column 3 is rotatably mounted to the top of the first column 2; Crossbeam 4 is removably fixed on the top of the second column, and crossbeam is provided with slide rail, slide rail is provided with crossbeam hand buggy 5, and crossbeam hand buggy 5 can move along slide rail; Suspension hook 6 is fixed on crossbeam hand buggy 5.
The structural representation of the base 1 that Fig. 3 provides for the embodiment of the present application.
As shown in Figure 3, the understructure that the embodiment of the present application provides comprises: base plate 101 and the first column-shaped projection 102, wherein, base plate 101 is planar structure, and base plate 101 arranges the multiple screws identical with the arrangement mode of screw on former transformer body and loaded switch butt flange; Base 101 is provided with the first column-shaped projection 102, the plane being perpendicular of this first column-shaped projection 102 and base plate 101, and this first column-shaped projection 102 is provided with first ring connected in star, the axis of this annular groove and the axes coincide of the first column-shaped projection 102.
Former transformer body and loaded switch butt flange are provided with several screws of circular array; In use, base is placed on the position of former transformer body and loaded switch butt flange, with bolt by several screws on base, base 1 is tightened in the position of former transformer body and loaded switch butt flange.
In the embodiment of the present application, base 1 can adopt aluminum alloy materials, bolt for position base being fixed on former transformer body and loaded switch butt flange can adopt firm stainless steel bolt, the on-load tap changers of transformers hanging apparatus that the embodiment of the present application can be made like this to provide can be more solid and reliable be arranged on transformer body, can not because of bearing incessantly switch weight and collapsing.
In addition, because the former transformer body of different model is different from the screw hole design of loaded switch butt flange, the base plate 101 that the embodiment of the present application provides can arrange some screws more, and the on-load tap changers of transformers hanging apparatus so just making the embodiment of the present application provide can adapt to the load ratio bridging switch of Multiple Type.
First column 2 is the tubular structure of hollow, and the diameter of the first column 2 can be even up and down, in order to strengthen the structural strength of the first column, the first column 2 also can bottom diameter comparatively large, upper end diameter is less.The bottom of the first column 2 is provided with screw 201; First column 2 top is provided with the second column-shaped projection 202, second column-shaped projection 202 by welding or be bolted at the top of the first column 2.
The bottom of the first column 2 is enclosed within the first column-shaped projection 102, and the plane being perpendicular at the first column 2 and base plate 101 place, the bottom internal diameter of the first column 2 and the external diameter of the first column-shaped projection match, and the position of screw 201 is corresponding with the position of the groove of the first column-shaped projection, so in use, bolt can be utilized to be screwed into screw, and bolt front end is stuck in groove.In addition, in use, when not needing the first column to rotate around the first column-shaped projection, bolt 201 can be tightened, the head end of bolt 201 is pressed in groove.And when needs first column rotates around the first column-shaped projection, 201 bolts can be unscrewed, but the head end of bolt 201 must be kept to be stuck in groove, otherwise the first column can be caused to depart from the first column-shaped projection.
In the embodiment of the present application, it is highly 1000mm that the first column adopts, and diameter is that the aluminium-alloy pipe of 100mm makes.Bolt can adopt stainless steel material to make.
Second column 3 is the tubular structure of hollow, and the diameter of the second column 3 can be even up and down, and in order to strengthen the structural strength of the second column 3, the second column 3 also can be that bottom diameter is comparatively large, and upper end diameter is less.The bottom of the second column 3 is provided with screw 301; And the top of the second column 3 is provided with mounting hole 302, and the direction vertical in direction, mounting hole aperture, be also provided with the screw 303 running through the second column.
The bottom of the second column 3 is enclosed within the second column-shaped projection 202, and the axis of the second column 3 overlaps with the axis of the first column 2.The internal diameter of the second column bottom and the external diameter of the second column-shaped projection 202 match, and the position of screw 301 is corresponding with the position of the groove of the second column-shaped projection, so in use, bolt can be utilized to be screwed into screw 301, and bolt front end is stuck in groove.In addition, in use, when not needing the second column to rotate around the first column-shaped projection, bolt 301 can be tightened, the head end of bolt 301 is pressed in groove.And when needs second column rotates around the second column-shaped projection, bolt 301 can be unscrewed, but the front end of bolt 301 must be kept to be stuck in groove, otherwise can cause, the second column departs from the second column-shaped projection.
In the embodiment of the present application, the second column can have two kinds of specifications.The first specification is the second column 3 employing is highly 500mm, and diameter is that the aluminium-alloy pipe of 90mm makes.The second specification is the second column 3 employing is highly 1000mm, and diameter is that the aluminium-alloy pipe of 90mm makes.The effect of the specification of design two kind of second column is the second column 3 can selecting to install according to the load ratio bridging switch of different model different size.As: when load ratio bridging switch is M type time, selection is highly second column of 500mm; When load ratio bridging switch is V-type, selection is highly second column of 1000mm.
One end of crossbeam 4 is provided with screw 401.In use, crossbeam 4 is inserted in mounting hole 302, and makes screw 401 relative with the position of the screw 303 that the second column 3 top is arranged, and is inserted into by bolt in screw 401 and screw 303, and then makes crossbeam 4 be fixed on the top of the second column 3.By said structure, when this device removed by needs, bolt can be back-outed, crossbeam can be separated with the second column, convenient transport.
Because the second column can rotate around the axis of the first column, described crossbeam 4 can rotate around the axis of the first column.Simultaneously, also by the bolt tightening between the first column and the second column, the bolt between the first column and base can be unscrewed, so just can realize the first column, the second column and crossbeam and be fixed together, by the drive of the first column, the first column-shaped projection on base rotates.
The material of the crossbeam 4 that the embodiment of the present application provides is aluminum alloy materials, and crossbeam length 1500mm, hang with V-type switch weight 40kg, maximum torque reaches 600 Ns of * rice.Through measuring and calculating, base should be able to reliably bear this moment.
Crossbeam 4 is provided with slide rail, and is provided with crossbeam hand buggy 5 on this slide rail, this crossbeam hand buggy 5 can slide along slide rail.
In use, slided on the slide rail of crossbeam by crossbeam hand buggy 5, aim at the center of on-load tap changers of transformers, thus make more accurate, safe load ratio bridging switch is lifted by crane.Simultaneously by rotating beam 4, making when unloading switch, enough distances can be stretched out, make load ratio bridging switch leave voltage transformer and arrive ground.
Suspension hook 6 is provided with transfer device 601, one end of this transfer device 601 is fixed on crossbeam hand buggy 5, and the other end and suspension hook 6 fix.
Transfer device 601 can drive suspension hook 6 to move up and down.In the embodiment of the present application, suspension hook can be hoist lifting hook, and transfer device can be pulley.
As can be seen here, the on-load tap changers of transformers hanging apparatus that the embodiment of the present application provides, comprise: base, the first column, the second column, crossbeam, crossbeam hand buggy and suspension hook, wherein: by the mounting means of base according to former transformer body and loaded switch butt flange, be removably mounted on the position of former transformer body and loaded switch butt flange; First column bottom is removably mounted on base; Second column bottom is removably mounted on the first column top, and the second column can rotate around the first column; Crossbeam is removably mounted on the second column top; Crossbeam is provided with slide rail, and crossbeam hand buggy is slidably fixed on slide rail, and crossbeam hand buggy is provided with suspension hook.
In the embodiment that the application provides, the connection mode of all parts all employ detouchable connection mode, makes staff can carry out installing/dismounting to this device fast, easily; When reality uses, staff for the load ratio bridging switch of different model, can select the first column and/or second column of differing heights; Crossbeam can rotate around the axis of the first column and the second column, and on crossbeam, be also provided with the crossbeam hand buggy that can slide along crossbeam, by rotating beam or moving beam hand buggy during use, can be implemented in not movable base when, safety and precise switch is winched to ground from cylindrical shell.Therefore, compared with prior art, the application well solves the problem that indoor transformer load ratio bridging switch lifts by crane safely difficulty.
Embodiment two
The sequence of erection schematic diagram of the voltage transformer loaded tap-off hanging apparatus that Fig. 4 provides for the embodiment of the present application two.
As shown in Figure 4, the sequence of erection of voltage transformer loaded tap-off hanging apparatus that the embodiment of the present application provides comprises:
S11, mounting seat.
Base is removably fixed on the position of former transformer body and loaded switch butt flange by bolt.
S12, the first column is installed.
The bottom of the first column is fixed on base by bolt detouchable.
The model of the voltage transformer that S13, judgement will lift.
Judge the model of the voltage transformer that will lift in this step, then select corresponding second column according to the model of voltage transformer.When the model of voltage transformer is M type, selecting to install the second longer column, is namely highly second column of 1000mm.When the model of voltage transformer is V-type, selecting to install the second shorter column, is namely highly second column of 500mm.
S14, the second column is installed.
The bottom of the second column is removably fixed on the top of the first column.
S15, slide and fixed cross beam hand buggy to correct position, switch of slinging.
Correct position of mentioning in this step, the position corresponding with the center of on-load tap changers of transformers.In this step, crossbeam hand buggy is moved to the position corresponding with the center of on-load tap changers of transformers, then fix this crossbeam hand buggy, switch of finally slinging.
S16, unclamp and adjust crossbeam hand buggy to crossbeam distalmost end, and fixing.
This step performs after load ratio bridging switch has lifted by crane, and the main purpose of this step is by moving beam hand buggy and the position of mobile load ratio bridging switch, makes to stretch out enough distances when unloading switch and leaves voltage transformer and arrive ground.The position view of concrete load ratio bridging switch in lifting process is see Fig. 5 and Fig. 6 in embodiment four.
S17, unclamp bolt, crossbeam is rotated 180 degree, and bolt of rear end plate, hangs switch and drops down onto ground.
In this step, crossbeam is rotated 180 degree, can smoothly switch be put to ground.Thus realize not moving footing and also Ka Guan can being winched to ground.
In addition, the disassembly sequence of the voltage transformer loaded tap-off hanging apparatus that the embodiment of the present application provides is contrary with said process, does not repeat them here.
As can be seen here, the sequence of erection figure of the voltage transformer loaded tap-off hanging apparatus that the embodiment of the present application provides, illustrates the concrete installation method of this hanging apparatus clearly.By the smooth diagram of circuit of this installation, operating personal can be made better to operate in practical work.
Embodiment three
The embodiment of the present application provides the structural representation of each position of load ratio bridging switch in lifting process, in order to represent the position of load ratio bridging switch in lifting process more clearly, illustrating with two figure now, being respectively Fig. 5 and Fig. 6.
The load ratio bridging switch that Fig. 5 provides for the embodiment of the present application three, in lifting process, arrives the positional structure schematic diagram before lifting summit.
The two kind position relationships of switch in lifting process as shown in Figure 5, order is followed successively by: the position 2 in switch cylindrical shell 1, lifting process.
Switch was positioned at switch cylindrical shell 1 before lifting, as shown in Figure 5.When after load ratio bridging switch lifting, and the position arrived before lifting summit is the position 2 in lifting process, as shown in Figure 5.
The load ratio bridging switch that Fig. 6 provides for the embodiment of the present application three finally unloads the position view fallen in lifting process.Switch finally unloads the position fallen in lifting process is as shown in Figure 6 ground 3.
After load ratio bridging switch arrives lifting summit, the axis around the second column revolves turnback, is then unloaded by switch, and final switch arrives ground 3, as shown in Figure 6.
As can be seen here, the position view of the load ratio bridging switch that the embodiment of the present application provides in lifting process, the position of load ratio bridging switch in lifting process can be shown very clearly, by the schematic diagram of this load ratio bridging switch in lifting process, this programme is more readily understood.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.
Below be only the preferred implementation of the application, those skilled in the art understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an on-load tap changers of transformers hanging apparatus, is characterized in that, comprising: base, the first column, the second column, crossbeam, crossbeam hand buggy and suspension hook, wherein:
Described base is provided with the multiple screws identical with the arrangement mode of screw on former transformer body and loaded switch butt flange, described base is removably fixed on the position of former transformer body and loaded switch butt flange by bolt;
The bottom of described first column is removably fixed on described base, and the plane being perpendicular of described first column and described base;
The bottom of described second column is rotatably mounted to the top of described first column;
Described crossbeam is removably fixed on the top of described second column, and described crossbeam is provided with slide rail;
Described crossbeam hand buggy is slidably fixed on the slide rail of described crossbeam, and described suspension hook is fixed on described crossbeam hand buggy;
Described base is provided with the first column-shaped projection matched with described first column bottom, and described first column bottom is inserted in described first column-shaped projection, and described first column bottom and described first column-shaped projection are fixed by the first bolt;
Described first column-shaped projection is provided with first ring connected in star, described first column bottom is provided with the first screw matched with described first ring connected in star, described first column bottom is nested in described first column-shaped projection, and described first bolt-through is in described first ring connected in star and described first screw, is fixed on described base by described first column.
2. device according to claim 1, is characterized in that,
The top of described first column is provided with the second column-shaped projection matched with described second column bottom, described second column bottom is inserted in described second column-shaped projection, and the top of described first column and described second column-shaped projection are fixed by the second bolt.
3. device according to claim 2, is characterized in that,
The column-shaped projection on described first column top is provided with the second annular groove, described second column bottom is provided with position second screw corresponding with described second annular groove position, described second column bottom is inserted in the second column-shaped projection, and described second bolt is inserted in described second screw, and the head end of described second bolt is stuck in described second annular groove, is fixed on described first column by described second column.
4. device according to claim 3, it is characterized in that, the top of described second column is provided with mounting hole, and described crossbeam one end penetrates described mounting hole, and described crossbeam and described second column fix.
5. device according to claim 4, it is characterized in that, described second column be provided with vertical with direction, described mounting hole aperture and run through the 3rd screw of described second column, described crossbeam being provided with the crossbeam through hole that position is corresponding with the position of described 3rd screw;
Described crossbeam and described second column are fixed by the 3rd bolt, and described 3rd bolt penetrates in described 3rd screw and crossbeam through hole.
6. device according to claim 5, is characterized in that, described suspension hook is provided with the transfer device for driving described suspension hook to move up and down, and wherein, one end and the described crossbeam hand buggy of described transfer device fix, and the other end and described suspension hook fix.
7. device according to claim 6, is characterized in that, described transfer device can be pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431193.7A CN102910540B (en) | 2012-11-01 | 2012-11-01 | Hoisting device for on-load tap-changer of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431193.7A CN102910540B (en) | 2012-11-01 | 2012-11-01 | Hoisting device for on-load tap-changer of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102910540A CN102910540A (en) | 2013-02-06 |
| CN102910540B true CN102910540B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210431193.7A Active CN102910540B (en) | 2012-11-01 | 2012-11-01 | Hoisting device for on-load tap-changer of transformer |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055764U (en) * | 1989-06-12 | 1990-04-11 | 成都国营锦江电机厂 | Material feeding bracket for processing pipes and rods |
| CN2658130Y (en) * | 2003-11-15 | 2004-11-24 | 顾启富 | Portable combined crane |
| CN2818431Y (en) * | 2006-02-28 | 2006-09-20 | 刘文富 | Small household lifter for finishing building |
| CN201183719Y (en) * | 2008-01-11 | 2009-01-21 | 张凤翔 | Revolving type mini single arm crane |
| DE202009016924U1 (en) * | 2009-12-15 | 2010-04-08 | Em Holding Gmbh & Co.Kg | Collapsible small crane |
| CN201447322U (en) * | 2009-06-23 | 2010-05-05 | 江苏省电力公司高邮市供电公司 | Lifting device |
| CN202025638U (en) * | 2011-05-16 | 2011-11-02 | 吉林省电力有限公司白城供电公司 | Suspension frame for on-load voltage regulation switch of transformer |
| CN202880708U (en) * | 2012-11-01 | 2013-04-17 | 宁波电业局 | Hoisting device for on-load tap-changer of transformer |
-
2012
- 2012-11-01 CN CN201210431193.7A patent/CN102910540B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055764U (en) * | 1989-06-12 | 1990-04-11 | 成都国营锦江电机厂 | Material feeding bracket for processing pipes and rods |
| CN2658130Y (en) * | 2003-11-15 | 2004-11-24 | 顾启富 | Portable combined crane |
| CN2818431Y (en) * | 2006-02-28 | 2006-09-20 | 刘文富 | Small household lifter for finishing building |
| CN201183719Y (en) * | 2008-01-11 | 2009-01-21 | 张凤翔 | Revolving type mini single arm crane |
| CN201447322U (en) * | 2009-06-23 | 2010-05-05 | 江苏省电力公司高邮市供电公司 | Lifting device |
| DE202009016924U1 (en) * | 2009-12-15 | 2010-04-08 | Em Holding Gmbh & Co.Kg | Collapsible small crane |
| CN202025638U (en) * | 2011-05-16 | 2011-11-02 | 吉林省电力有限公司白城供电公司 | Suspension frame for on-load voltage regulation switch of transformer |
| CN202880708U (en) * | 2012-11-01 | 2013-04-17 | 宁波电业局 | Hoisting device for on-load tap-changer of transformer |
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|---|---|
| CN102910540A (en) | 2013-02-06 |
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